$(function()
		{
	
	$("button[class='modify']").mouseover(function(){
		$(this).css("background","url('/ag/zrt/images/modify_mouseover.gif')");
	})
	.mouseout(function(){
		$(this).css("background","url('/ag/zrt/images/modify_mouseout.gif')");
	})
	.mousedown(function(){
		$(this).css("background","url('/ag/zrt/images/modify_mousedown.gif')");
	})
	.mouseup(function(){
		$(this).css("background","url('/ag/zrt/images/modify_mouseover.gif')");
	});

	
	$("button[class='delete']").mouseover(function(){
		$(this).css("background","url('/ag/zrt/images/delete_mouseover.gif')");
	})
	.mouseout(function(){
		$(this).css("background","url('/ag/zrt/images/delete_mouseout.gif')");
	})
	.mousedown(function(){
		$(this).css("background","url('/ag/zrt/images/delete_mousedown.gif')");
	})
	.mouseup(function(){
		$(this).css("background","url('/ag/zrt/images/delete_mouseover.gif')");
	});

	
	$("button[class='add']").mouseover(function(){
		$(this).css("background","url('/ag/zrt/images/add_mouseover.gif')");
	})
	.mouseout(function(){
		$(this).css("background","url('/ag/zrt/images/add_mouseout.gif')");
	})
	.mousedown(function(){
		$(this).css("background","url('/ag/zrt/images/add_mousedown.gif')");
	})
	.mouseup(function(){
		$(this).css("background","url('/ag/zrt/images/add_mouseover.gif')");
	});

	
	$("button[class='return']").mouseover(function(){
		$(this).css("background","url('/ag/zrt/images/return_mouseover.gif')");
	})
	.mouseout(function(){
		$(this).css("background","url('/ag/zrt/images/return_mouseout.gif')");
	})
	.mousedown(function(){
		$(this).css("background","url('/ag/zrt/images/return_mousedown.gif')");
	})
	.mouseup(function(){
		$(this).css("background","url('/ag/zrt/images/return_mouseover.gif')");
	}).click(function(){
		location.href="/ag/base_manage.jsp";
	});
		});